Rationalize the numerator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, x = 0, x = 5
A. 
?
B. 10?
C. 100?
D. 
?
Mathematics
Find a formula for the nth term of the sequence.0, -1, 0, 1, 0, -1, 0, 1 (0, -1, 0, 1 repeated)
A. an = sin
B. an = cos(n?)
C. an = sin(n?)
D. an = cos
Mathematics
Which abbreviation means "with"?
A. s B. w/ C. ss D. w/o
Mathematics
Use the given information to find the exact value of the trigonometric function.cos ? = - 
; sin ? > 0
Find cos 
.
A. 
B. - 
C. - 
D. 
Mathematics